1 00:00:00,450 --> 00:00:02,220 I know everyone in this table. 2 00:00:02,250 --> 00:00:05,390 I'm going to show you how to change five attributes. 3 00:00:06,240 --> 00:00:14,070 We use five attributes in order to prevent users from morphing, adding and changing the command that 4 00:00:14,070 --> 00:00:17,770 we use in order to change five attributes, we use the common chapter. 5 00:00:18,120 --> 00:00:19,630 We would like to find more information. 6 00:00:19,650 --> 00:00:21,400 We looked at a man page with this command. 7 00:00:21,890 --> 00:00:25,610 You can see here change five attributes on here. 8 00:00:26,310 --> 00:00:31,890 Information, for example, we use the plus in order to add final tribute and a minus if we want to 9 00:00:31,890 --> 00:00:32,400 delete. 10 00:00:32,790 --> 00:00:38,040 And here's some of the attributes that we can use them and apply them on to flights. 11 00:00:38,580 --> 00:00:43,770 For example, aband only, we use the literal eight and he immutable. 12 00:00:44,010 --> 00:00:45,000 We use that later. 13 00:00:45,190 --> 00:00:45,350 All right. 14 00:00:46,230 --> 00:00:47,540 There's also another command. 15 00:00:47,550 --> 00:00:50,310 We would like to know more information about it. 16 00:00:50,370 --> 00:00:50,880 Alias. 17 00:00:51,900 --> 00:00:52,410 Perfect. 18 00:00:53,100 --> 00:01:01,970 So this command list of file attributes and you can see it also are the options that we can use with 19 00:01:02,010 --> 00:01:02,510 disclaimer. 20 00:01:02,790 --> 00:01:03,450 Let's go back. 21 00:01:03,870 --> 00:01:10,770 First, I'm going to create file one that takes I'm going to create the file. 22 00:01:11,160 --> 00:01:16,980 Then I'm going to around is utter on this file. 23 00:01:17,430 --> 00:01:18,030 Perfect. 24 00:01:18,180 --> 00:01:26,490 So we don't have any attribute, as we can see here now, list at file a tribute. 25 00:01:26,580 --> 00:01:29,790 I'm going to we have to use the plus then a. 26 00:01:29,910 --> 00:01:35,400 So I'm going to use that a band also on this file so users cannot add anything with the file. 27 00:01:35,820 --> 00:01:37,260 Then the name of the file. 28 00:01:37,710 --> 00:01:38,250 Perfect. 29 00:01:38,820 --> 00:01:39,690 Let's do an example. 30 00:01:39,750 --> 00:01:40,920 I want to add the sticks. 31 00:01:41,130 --> 00:01:44,280 Hello, user to the file. 32 00:01:44,730 --> 00:01:45,360 Perfect. 33 00:01:46,110 --> 00:01:48,450 Do you think disgusting that the system when I lost. 34 00:01:48,570 --> 00:01:49,380 Of course not. 35 00:01:50,350 --> 00:01:52,230 C operating not permitted. 36 00:01:52,440 --> 00:01:53,810 So what you're going to do now. 37 00:01:54,480 --> 00:01:59,130 I need to delete it in order to add a text on this text file. 38 00:01:59,370 --> 00:02:00,240 So what I'm gonna do. 39 00:02:00,510 --> 00:02:02,430 Chatter Sam, come on. 40 00:02:02,610 --> 00:02:03,540 I'm going to do a tap. 41 00:02:04,190 --> 00:02:06,750 This will continue and complete the command. 42 00:02:06,900 --> 00:02:11,110 Then minus a dandified in the name of the file. 43 00:02:11,490 --> 00:02:13,590 Five one that takes Steve. 44 00:02:14,820 --> 00:02:15,720 Now, let's check. 45 00:02:17,410 --> 00:02:18,250 It is utter. 46 00:02:19,180 --> 00:02:20,410 We don't have anything. 47 00:02:20,830 --> 00:02:23,500 Now I'm going to run the command again. 48 00:02:23,710 --> 00:02:25,240 Echo Hello, User. 49 00:02:25,540 --> 00:02:25,990 Perfect. 50 00:02:26,340 --> 00:02:30,490 I say we have two sticks inside the sticks. 51 00:02:30,820 --> 00:02:32,860 Yep, we have it now. 52 00:02:32,860 --> 00:02:34,190 So let's try another. 53 00:02:36,130 --> 00:02:36,680 Attribute. 54 00:02:36,790 --> 00:02:43,120 So I'm going to use the I start so as immutable attributes so that user can not remove, modify and 55 00:02:43,120 --> 00:02:43,570 change. 56 00:02:43,930 --> 00:02:45,400 I'm going to using the same file. 57 00:02:45,820 --> 00:02:46,080 So. 58 00:02:46,090 --> 00:02:48,040 Chatter Choucha. 59 00:02:48,430 --> 00:02:48,910 Perfect. 60 00:02:49,000 --> 00:02:54,790 Dan, I'm going to use plus I then the name of the file. 61 00:02:55,870 --> 00:02:56,290 Perfect. 62 00:02:56,390 --> 00:03:00,160 As soon as I after down the name of the file. 63 00:03:00,400 --> 00:03:00,790 Perfect. 64 00:03:00,820 --> 00:03:01,840 So we have I. 65 00:03:02,410 --> 00:03:06,460 So here users can lateral move or modify and change. 66 00:03:06,790 --> 00:03:09,520 Let's try to remove this file if we can. 67 00:03:10,400 --> 00:03:12,220 And you guessed things that the system will allow us. 68 00:03:12,370 --> 00:03:13,210 Of course not. 69 00:03:13,480 --> 00:03:14,060 See here. 70 00:03:14,660 --> 00:03:15,880 So he's gonna ask a question. 71 00:03:15,910 --> 00:03:17,220 Said do you want her say. 72 00:03:17,290 --> 00:03:18,550 Of course if I say yes. 73 00:03:18,600 --> 00:03:21,430 But the system will not allow us to delete. 74 00:03:21,460 --> 00:03:22,000 Despite. 75 00:03:22,390 --> 00:03:23,720 So what you're going to do now, next. 76 00:03:24,070 --> 00:03:26,340 If I would like to remove chatter. 77 00:03:27,400 --> 00:03:27,850 Perfect. 78 00:03:27,850 --> 00:03:30,880 Then minus I then the text file. 79 00:03:32,380 --> 00:03:35,720 We have a we let's render command chatter perfect. 80 00:03:35,800 --> 00:03:37,090 Then the name of the file. 81 00:03:37,180 --> 00:03:38,200 So we don't have anything. 82 00:03:38,230 --> 00:03:40,550 So now we get to remove the file. 83 00:03:42,380 --> 00:03:43,100 Yes. 84 00:03:43,730 --> 00:03:44,270 Perfect. 85 00:03:44,330 --> 00:03:45,740 Now, we don't have the fight over. 86 00:03:46,430 --> 00:03:47,720 That's conclude our session. 87 00:03:48,860 --> 00:03:49,370 Thank you. 88 00:03:49,500 --> 00:03:51,100 And see you in the next listen.